Continue with the FreeBSD port - this version builds and links, though...

chrome/browser/icon_loader.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ICON_LOADER_H_
 #define CHROME_BROWSER_ICON_LOADER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 50 matching lines @@
   MessageLoop* target_message_loop_;
 
   IconGroupID group_;
 
   IconSize icon_size_;
 
   SkBitmap* bitmap_;
 
   Delegate* delegate_;
 
-#if defined(OS_LINUX)
-  // On Linux we use gdk's pixbuf loader, which has to execute on the UI
+#if defined(USE_X11)
+  // On X/11 systems we use gdk's pixbuf loader, which has to execute on the UI
   // thread, so we only read the file on the background thread and parse it
   // on the main thread.
   void ParseIcon();
   FilePath filename_;
   std::string icon_data_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(IconLoader);
 };
 
 #endif  // CHROME_BROWSER_ICON_LOADER_H_